TABLE 2.

Mean signal/cutoff ratios of three analyses of the pooled HPV DNA proficiency panel using GP5+/6+ and MGP^a

HPV type and copy no.	PCR system
	GP5+/6+		MGP
	Mean (SD) signal/cutoff ratio	Mean cutoff	Mean (SD) signal/cutoff ratio	Mean cutoff
HPV-6		46		43
500	0.83 (0.11)		3.2 (0.5)
50	0.54 (0.19)		1.6 (0.4)
HPV-11		35		24
500	4.1 (1.9)		10.0 (2.4)
50	2.1 (0.5)		6.1 (1.6)
HPV-16		20		16
500 (alone)	51.2 (13.0)		62.7 (6.4)
500	38.6 (2.7)		49.7 (5.8)
50 (alone)	33.0 (14.1)		47.1 (8.1)
50	24.0 (3.0)		37.1 (7.0)
5 (alone)	4.7 (3.0)		12.5 (10.5)
HPV-18		13		9
500 (alone)	17.9 (5.1)		22.5 (4.5)
500	9.1 (2.9)		24.1 (7.1)
50 (alone)	5.9 (2.8)		11.6 (4.8)
50	3.8 (2.0)		12.0 (6.5)
5 (alone)	3.7 (3.4)		6.8 (3.0)
HPV-31		10		5
500	3.5 (2.5)		14.7 (4.1)
50	0.8 (01)		5.0 (0.6)
HPV-33		10		5
500	3.0 (0.6)		5.6 (1.9)
50	1.1 (0.2)		3.2 (0.9)
HPV-35		14		12
500	1.7 (0.5)		6.3 (1.2)
50	1.0 (0.2)		2.2 (0.8)
HPV-35v		10		5
500	0.4 (0.0)		3.2 (3.1)
50	0.3 (0.1)		1.6 (1.6)
HPV-39		24		17
500	0.9 (0.1)		8.6 (0.1)
50	0.6 (0.0)		2.7 (0.5)
HPV-45		10		6
500	5.6 (1.9)		14.2 (6.9)
50	2.8 (1.1)		15.4 (7.7)
HPV-51		10		10
500	0.9 (0.5)		12.7 (3.2)
50	0.4 (0.0)		6.7 (2.2)
HPV-52		13		9
500	0.9 (0.0)		118.6 (19.2)
50	0.5 (0.0)		96.0 (7.8)
HPV-56		10		5
500	24.9 (1.5)		92.2 (9.9)
50	4.7 (1.0)		39.9 (17.9)
HPV-58		10		6
500	2.9 (0.1)		4.7 (0.7)
50	0.5 (0.1)		1.8 (1.1)
HPV-59		12		16
500	22.7 (2.2)		26.4 (7.5)
50	11.0 (5.4)		8.0 (4.2)
HPV-66		11		17
500	27.3 (7.2)		33.4 (2.9)
50	14.4 (1.4)		11.7 (2.3)
HPV-68		10		9
500	0.4 (0.1)		5.4 (0.4)
50	0.4 (0.1)		1.7 (0.3)

^aHPV-16 and -18 were also analyzed alone. 35v is a variant of HPV-35.